Added per-operator level performance stats for Query Processing

When you are troubleshooting query performance, metrics are never too much. With that in mind, based on customer feedback, but also our own CSS support, we have added runtime information to Showplan, and exposed a new Extended Event in SQL Server 2016 RC0. We are adding the new Showplan info and Extended Event in an upcoming SQL Server 2014 Service Pack, and as usual deliver added value to in-market versions.

Regarding Showplan, take a test query on which we are doing a Clustered index Scan, and look the information available until SQL Server 2014: